* {
    margin: 0;
    padding: 0;
  }
  body {
    background-color: #f9f9f9;
  }
  #detail {
    width: 100%;
    height: 100%;
    background-color: #fff;
    box-sizing: border-box;
    padding: 0 150px;
  }
  #detail header {
    width: 100%;
    height: 100px;
    margin: 0 0 50px 0;
    background-color: #eee;
  }
  #detail header img {
    box-sizing: border-box;
    margin: 20px 0 0 0;
    float: left;
  }
  #detail header p {
    width: 400px;
    height: 40px;
    border: 1px solid #eee;
    background-color: #fff;
    box-sizing: border-box;
    margin: 30px 0 0 150px;
    float: left;
  }
  #detail header span {
    width:80px;
    height: 40px;
    border: 1px solid #eee;
    background-color: #fff;
    text-align: center;
    line-height: 40px;
    box-sizing: border-box;
    margin: 30px 0 0 0;
    float: left;
  }

  #detail .box {
    width: 900px;
    height: 300px;
    margin: 0 0 100px 0;
    /*  box-sizing: border-box;
    border: 1px solid #eee; */
  }
  #detail .box img {
    display: block;
    width: 300px;
    height: 300px;
    float: left;
    margin: 0 20px 0 0;
    box-sizing: border-box;
    border: 1px solid #eee;
  }
  #detail .box p {
    width: 580px;
    height: 50px;
    line-height: 50px;
    float: left;
    margin: 150px 0 0 0;
    font-size: 16px;
    line-height: 25px;
  }
  #detail .box b {
    width: 580px;
    height: 50px;
    line-height: 50px;
    float: left;
    margin: 10px 0 0 0;
  }
  #detail .box span {
    display: block;
    width: 100px;
    height: 50px;
    line-height: 50px;
    float: left;
  }
  #detail input {
    display: block;
    width: 100px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    color: #fff;
    background: #f00;
    border-radius: 5px;
    outline: none;
    float: left;
    border: none;
  }
  #detail .xiangxi {
    width: 100%;
    height: 100%;
  }